JSR377 Website and sources

We'll have to come up with a better domain name, plus logo, icons and some colors too ;-)
As noted in the README, the site is baked using JBake and the syntax of choice is Asciidoc (via Asciidoctor), which happens to be the same syntax we'll use for writing the documentation.

If you're note familiar with Asciidoc(tor) yet then please have a look at